外存贮器 meaning in Chinese

file 1

The meter ( which is called pccm2002 for short ) is designed on the basis of mcs - 51 single - chip microcomputer technique . the hardware is composed of single - chip microcomputer module and electrochemical module . the single - chip microcomputer module can be divided into five parts , cpu circuit , a / d and d / a circuit , peripheral memory circuit , i / o interface circuit , distributing address circuit ; the electrochemical module is made up of potentiostatic circuit , galvanostatic circuit , potentiostatic - galvanostatic ( p - g ) conversion circuit , signal measuring circuit . the software of the meter is edited by c51 language , it is well - structured and module . all program modules have been linked into an executable files after compiled separately , then copy to eprom
恒电位控制下的恒电量智能化腐蚀监测仪采用基于mcs - 51单片机技术的智能化设计，仪器硬件由单片机系统模块和电化学接口模块组成，单片机系统模块包括cpu电路，片外存贮器扩展电路，模数和数模( a d和d a )电路，输入输出( i o )接口电路，地址分配电路，各电路模块通过系统总线交换信息；电化学接口模块主要由恒电位电路，恒电流电路，恒电位-恒电流( p - g )转换电路，信号放大与采集电路组成。